CN216398007U - 3D prints powder recovery system - Google Patents
3D prints powder recovery system Download PDFInfo
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- CN216398007U CN216398007U CN202122879102.3U CN202122879102U CN216398007U CN 216398007 U CN216398007 U CN 216398007U CN 202122879102 U CN202122879102 U CN 202122879102U CN 216398007 U CN216398007 U CN 216398007U
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Abstract
The utility model relates to a 3D printing powder recovery system which is used for recovering 3D printing powder remained in a bin of a 3D printer and comprises a filling device, a powder storage tank and a fan, wherein the filling device comprises a lower bin and a filter positioned above the lower bin, the lower bin is provided with a first powder inlet, and the bottom end of the lower bin is provided with a first powder outlet; the powder storage tank is positioned under the filling device and is connected with the filling device; the fan is connected with the top of the filter through an air suction pipe. According to the utility model, the fan is arranged to continuously suck the gas in the feed bin through the air suction pipe through the filter, so that negative pressure is formed in the feed bin, the 3D printing powder in the 3D printer bin is sucked through the negative pressure and falls into the powder storage tank, the automatic recovery of the 3D printing powder remained in the 3D printer bin is realized, and the oxidation of the 3D printing powder caused by the contact with air in the recovery process is effectively prevented.
Description
Technical Field
The utility model relates to the technical field of additive manufacturing, in particular to a 3D printing powder recovery system.
Background
Selective Laser Melting (SLM) is the most mainstream technological means in the metal 3D printing industry nowadays, has the advantages of high material utilization rate, wide applicable material range, capability of manufacturing parts with complex shapes and the like, and is a rapid molding technology with great development prospect. The main working principle is that a file obtained after three-dimensional modeling and slicing is guided into 3D printing equipment, metal powder with a scraper less than 53 mu m is flatly spread based on a powder feeding and spreading mode, and a high-energy laser is controlled by a computer to scan the outline layer by layer to stack and form a workpiece.
The SLM process is also one of Powder Bed Fusion (PBF) processes, a lot of powder is left in a printer to be recycled after printing each time, and at present, many 3D printing users recover the powder in a manual powder recovery mode, so that the powder is easily contacted with an external environment to cause cross pollution of the powder and the environment, and the problems of reduced powder pollution performance, environmental safety and the like exist; especially, when the metal powder is recovered after 3D printing, the metal powder is easy to contact with the external environment, is easy to damp and oxidize and denature in the air, and the active metal powder has flammable and explosive risks in the air.
In view of this, it is necessary for those skilled in the art to develop a 3D printing powder recycling system, which can automatically recycle 3D printing powder remaining in a bin of a 3D printer, not only effectively prevent the 3D printing powder from being oxidized when contacting with air during the recycling process, but also avoid the powder remaining in the recycling system, and has high recycling efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a 3D printing powder recovery system which can automatically recover 3D printing powder remained in a bin of a 3D printer.
In order to achieve the purpose, the utility model adopts the technical scheme that: 3D prints powder recovery system for retrieve remaining 3D in 3D printer machine storehouse and print powder, include
The filling device comprises a discharging bin and a filter positioned above the discharging bin, a first powder inlet is formed in the discharging bin, and a first powder outlet is formed in the bottom end of the discharging bin;
the powder storage tank is positioned under the filling device and is connected with the filling device, a second powder inlet is formed in the top of the powder storage tank, and a second powder outlet is formed in the bottom of the powder storage tank;
the fan is connected with the top of the filter through an air suction pipe and is used for continuously sucking the gas in the feeding bin through the filter until negative pressure is formed in the feeding bin,
after negative pressure is formed, one part of 3D printing powder in the discharging bin flows to the first powder outlet from the first powder inlet, and one part of the 3D printing powder flows upwards into the filter.
Preferably, the top of the filter is provided with a blowback air bag and an air suction hole, one end of the air suction pipe is connected with the fan, the other end of the air suction pipe is connected with the air suction hole, and the blowback air bag is used for blowback of 3D printing powder absorbed in the filter into the feed bin.
Preferably, the powder filling device further comprises a frame, and the filling device, the powder storage tank and the fan are all installed on the frame.
Preferably, one side of the rack is provided with a digital display screen, and the digital display screen is used for operating the opening and closing of the fan.
Preferably, the front end of frame is provided with and is used for placing the support of filling device, the fan be located the rear end of frame and with digital display screen electric connection, filling device with store up the powder jar and place from top to bottom the front end of frame.
Preferably, a moving device for moving the 3D printing powder recovery system is disposed below the machine frame.
Preferably, the moving device comprises moving rollers arranged at four corners below the frame.
Preferably, the bottom of the powder storage tank is provided with a weighing mechanism, and the weight of the stored powder in the powder storage tank is displayed through a digital display screen on one side of the rack.
Preferably, a first powder outlet control valve is installed at the first powder outlet; and a second powder inlet control valve is installed at the second powder inlet, and a second powder outlet control valve is installed at the second powder outlet.
Preferably, the width of the bin body of the blanking bin close to the bottom end is gradually reduced from one end close to the first powder inlet along the flowing direction of the powder.
Preferably, the feed bin comprises a cylindrical bin body and an inverted cone-shaped bin body located below the cylindrical bin body, the first powder outlet is located on one side of the inverted cone-shaped bin body, and the first powder inlet is located on one side of the cylindrical bin body.
Preferably, the width of the powder storage tank is gradually reduced from one end close to the powder inlet along the flowing direction of the powder; more preferably, the powder storage bin is in an inverted cone shape.
Preferably, the first powder inlet on the filling device is connected with the 3D printer cabin through a powder suction pipe.
Preferably, the second powder inlet is connected with the first powder outlet through a pipeline.
Preferably, the conduit comprises a bellows.
Preferably, store up the powder jar including storing up the powder storehouse and setting up at the outside protective housing in storing up the powder storehouse, the bottom fixedly connected with fork of outside protective housing transports the groove, fork transports the groove and is used for supplying fork truck fork to get.
Due to the application of the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the fan is arranged to continuously suck the gas in the feed bin through the air suction pipe by the filter, so that negative pressure is formed in the feed bin, the 3D printing powder in the 3D printer bin is sucked by the negative pressure and falls into the powder storage tank, the automatic recovery of the 3D printing powder remained in the 3D printer bin is realized, and the oxidation of the 3D printing powder caused by the contact with air in the recovery process is effectively prevented;
2. according to the utility model, the filter and the back-blowing air bag on the filter are arranged to back-blow the 3D printing powder adsorbed in the filter into the blanking bin and finally into the powder storage tank, so that no powder residue is left in the device, and the powder recovery efficiency is improved;
3. the automatic powder recovery device has the advantages that the automatic powder recovery is realized through a simple structure, the use is convenient, the recovery efficiency and the safety are improved, and the production and use requirements are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that some of the drawings in the following description are embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of one embodiment of the present invention;
FIG. 2 is a top view of one embodiment of the present invention.
Wherein, 1, filling device; 2. discharging a bin; 3. a filter; 4. a powder storage tank; 5. a fan; 6. an air intake duct; 7. a back-blowing air bag; 8. a frame; 9. a support; 10. moving the roller; 11. a weighing mechanism; 12. A pipeline; 13. a powder suction pipe; 14. a suction hole;
21. a first powder inlet; 22. a first powder outlet; 23. a first powder outlet control valve;
41. a second powder inlet; 42. a second powder outlet; 43. a second powder inlet control valve; 44. a second powder outlet control valve; 45. a powder storage bin; 46. an outer protective shell; 47. a fork conveying groove.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present application, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, detachable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Example one
As shown in FIGS. 1-2, a 3D printing powder recycling system for recycling 3D printing powder remained in a bin of a 3D printer comprises
The filling device 1 comprises a lower bin 2 and a filter 3 positioned above the lower bin, wherein a first powder inlet 21 is formed in the lower bin, and a first powder outlet 22 is formed in the bottom end of the lower bin;
the powder storage tank 4 is positioned under the filling device and is connected with the filling device, a second powder inlet 41 is formed in the top of the powder storage tank, and a second powder outlet 42 is formed in the bottom of the powder storage tank;
the fan 5 is connected with the top of the filter through an air suction pipe 6 and is used for continuously sucking the gas in the blanking bin through the filter until negative pressure is formed in the blanking bin,
after negative pressure is formed, one part of 3D printing powder in the discharging bin flows to the first powder outlet from the first powder inlet, and one part of the 3D printing powder flows upwards into the filter.
Furthermore, the top of the filter is provided with a back blowing air bag 7 and an air suction hole 14, one end of the air suction pipe is connected with the fan, the other end of the air suction pipe is connected with the air suction hole, and the back blowing air bag is used for back blowing the 3D printing powder absorbed in the filter into a discharging bin.
Further, still include frame 8, filling device, storage powder jar and fan are all installed in the frame.
Further, one side of frame is provided with digital display screen, digital display screen is used for the operation the switching of fan.
Further, the front end of frame is provided with and is used for placing filling device's support 9, the fan be located the rear end of frame and with digital display screen electric connection, filling device with store up the powder jar and place from top to bottom the front end of frame.
Further, a moving device for moving the 3D printing powder recovery system is arranged below the rack.
Further, the moving device includes moving rollers 10 disposed at four corners below the frame.
Further, the bottom of the powder storage tank is provided with a weighing mechanism 11, and the weight of the stored powder in the powder storage tank is displayed through a digital display screen on one side of the rack.
Further, a first powder outlet control valve 23 is installed at the first powder outlet; a second powder inlet control valve 43 is installed at the second powder inlet, and a second powder outlet control valve 44 is installed at the second powder outlet.
Furthermore, the width of the bin body of the blanking bin close to the bottom end is gradually reduced from one end close to the first powder inlet along the flowing direction of the powder.
Furthermore, the feed bin comprises a cylindrical bin body and an inverted cone-shaped bin body positioned below the cylindrical bin body, the first powder outlet is positioned on one side of the inverted cone-shaped bin body, and the first powder inlet is positioned on one side of the cylindrical bin body.
Further, the width of the powder storage tank is gradually reduced from one end close to the powder inlet along the flowing direction of the powder.
In other preferred embodiments, the powder storage bin is in an inverted cone shape.
Further, the first powder inlet on the filling device is connected with the bin of the 3D printer through a powder suction pipe 13.
Further, the second powder inlet is connected with the first powder outlet through a pipeline 12.
Further, the conduit comprises a bellows.
Further, store up the powder jar including storing up powder storehouse 45 and setting up at the outside external protective housing 46 in storing up the powder storehouse, the bottom fixedly connected with fork of external protective housing transports groove 47, fork transports the groove and is used for supplying fork truck fork to get.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A3D prints powder recovery system for retrieving 3D in 3D printer machine storehouse prints powder, include
The filling device comprises a discharging bin and a filter positioned above the discharging bin, a first powder inlet is formed in the discharging bin, and a first powder outlet is formed in the bottom end of the discharging bin;
the powder storage tank is positioned under the filling device and is connected with the filling device, a second powder inlet is formed in the top of the powder storage tank, and a second powder outlet is formed in the bottom of the powder storage tank;
the fan is connected with the top of the filter through an air suction pipe and is used for continuously sucking the gas in the feeding bin through the filter until negative pressure is formed in the feeding bin,
after negative pressure is formed, one part of 3D printing powder in the discharging bin flows to the first powder outlet from the first powder inlet, and one part of the 3D printing powder flows upwards into the filter.
2. The 3D printing powder recovery system according to claim 1, wherein a back-blowing air bag and an air suction hole are arranged at the top of the filter, one end of the air suction pipe is connected with the fan, the other end of the air suction pipe is connected with the air suction hole, and the back-blowing air bag is used for back-blowing the 3D printing powder absorbed in the filter into the discharging bin.
3. The 3D printing powder recovery system according to claim 1, further comprising a frame, wherein the filling device, the powder storage tank and the fan are all mounted on the frame.
4. The 3D printing powder recovery system according to claim 3, wherein a digital display screen is arranged on one side of the rack and used for operating the fan to be opened and closed.
5. The 3D printing powder recovery system according to claim 4, wherein a moving device for moving the 3D printing powder recovery system is arranged below the machine frame.
6. The 3D printing powder recovery system according to claim 4, wherein a weighing mechanism is arranged at the bottom of the powder storage tank, and the weight of the powder stored in the powder storage tank is displayed through a digital display screen on one side of the rack.
7. The 3D printing powder recovery system according to claim 1, wherein a first powder outlet control valve is installed at the first powder outlet; and a second powder inlet control valve is installed at the second powder inlet, and a second powder outlet control valve is installed at the second powder outlet.
8. The 3D printing powder recovery system according to claim 1, wherein the width of the bin body of the lower bin near the bottom end is gradually reduced from one end near the first powder inlet along the flowing direction of the 3D printing powder.
9. The 3D printing powder recovery system according to claim 1, wherein the first powder inlet on the filling device is connected with the 3D printer bin through a powder suction pipe.
10. The 3D printing powder recovery system according to claim 1, wherein the second powder inlet is connected with the first powder outlet through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122879102.3U CN216398007U (en) | 2021-11-23 | 2021-11-23 | 3D prints powder recovery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122879102.3U CN216398007U (en) | 2021-11-23 | 2021-11-23 | 3D prints powder recovery system |
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| CN216398007U true CN216398007U (en) | 2022-04-29 |
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| CN202122879102.3U Active CN216398007U (en) | 2021-11-23 | 2021-11-23 | 3D prints powder recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976919A (en) * | 2021-11-23 | 2022-01-28 | 苏州三峰激光科技有限公司 | 3D printing powder recovery system and use method |
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- 2021-11-23 CN CN202122879102.3U patent/CN216398007U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976919A (en) * | 2021-11-23 | 2022-01-28 | 苏州三峰激光科技有限公司 | 3D printing powder recovery system and use method |
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